A man has been arrested after a police officer was punched in the face on the London Underground.
The attack occurred around 7.50am on January 23 when an argument broke out between two men on a westbound District line service between South Kensington and Gloucester Road stations.
One of the men allegedly punched the officer in the face during the altercation. Police arrested a man in his 20s at the scene on suspicion of causing grievous bodily harm, assaulting an emergency worker and possession of a Class B drug.
British Transport Police are seeking witnesses to the incident.
Anyone with information can contact British Transport Police by texting 61016 or calling 0800 40 50 40, quoting reference 2500008658. Alternatively, Crimestoppers can be contacted anonymously on 0800 555 111.
